diff options
Diffstat (limited to 'nuttx/drivers/usbdev/usbdev_trace.c')
| -rw-r--r-- | nuttx/drivers/usbdev/usbdev_trace.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/nuttx/drivers/usbdev/usbdev_trace.c b/nuttx/drivers/usbdev/usbdev_trace.c deleted file mode 100644 index c332c1358..000000000 --- a/nuttx/drivers/usbdev/usbdev_trace.c +++ /dev/null @@ -1,233 +0,0 @@ -/**************************************************************************** - * drivers/usbdev/usbdev_trace.c - * - * Copyright (C) 2008-2010, 2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <stdint.h> -#include <errno.h> -#include <debug.h> - -#include <arch/irq.h> -#include <nuttx/usb/usbdev_trace.h> -#undef usbtrace - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/* Configuration ************************************************************/ - -#ifndef CONFIG_USBDEV_TRACE_NRECORDS -# define CONFIG_USBDEV_TRACE_NRECORDS 128 -#endif - -#ifndef CONFIG_USBDEV_TRACE_INITIALIDSET -# define CONFIG_USBDEV_TRACE_INITIALIDSET 0 -#endif - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -#ifdef CONFIG_USBDEV_TRACE -static struct usbtrace_s g_trace[CONFIG_USBDEV_TRACE_NRECORDS]; -static uint16_t g_head = 0; -static uint16_t g_tail = 0; -#endif - -#if defined(CONFIG_USBDEV_TRACE) || (defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_USB)) -static usbtrace_idset_t g_maskedidset = CONFIG_USBDEV_TRACE_INITIALIDSET; -#endif - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/******************************************************************************* - * Name: usbtrace_enable - * - * Description: - * Enable/disable tracing per trace ID. The initial state is all IDs enabled. - * - * Input Parameters: - * idset - The bitset of IDs to be masked. TRACE_ALLIDS enables all IDS; zero - * masks all IDs. - * - * Returned Value: - * The previous idset value. - * - * Assumptions: - * - May be called from an interrupt handler - * - *******************************************************************************/ - -#if defined(CONFIG_USBDEV_TRACE) || (defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_USB)) -usbtrace_idset_t usbtrace_enable(usbtrace_idset_t idset) -{ - irqstate_t flags; - usbtrace_idset_t ret; - - /* The following read and write must be atomic */ - - flags = irqsave(); - ret = g_maskedidset; - g_maskedidset = idset; - irqrestore(flags); - return ret; -} -#endif /* CONFIG_USBDEV_TRACE || CONFIG_DEBUG && CONFIG_DEBUG_USB */ - -/******************************************************************************* - * Name: usbtrace - * - * Description: - * Record a USB event (tracing must be enabled) - * - * Assumptions: - * May be called from an interrupt handler - * - *******************************************************************************/ - -#if defined(CONFIG_USBDEV_TRACE) || (defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_USB)) -void usbtrace(uint16_t event, uint16_t value) -{ - irqstate_t flags; - - /* Check if tracing is enabled for this ID */ - - flags = irqsave(); - if ((g_maskedidset & TRACE_ID2BIT(event)) != 0) - { -#ifdef CONFIG_USBDEV_TRACE - /* Yes... save the new trace data at the head */ - - g_trace[g_head].event = event; - g_trace[g_head].value = value; - - /* Increment the head and (probably) the tail index */ - - if (++g_head >= CONFIG_USBDEV_TRACE_NRECORDS) - { - g_head = 0; - } - - if (g_head == g_tail) - { - if (++g_tail >= CONFIG_USBDEV_TRACE_NRECORDS) - { - g_tail = 0; - } - } -#else - /* Just print the data using lowsyslog */ - - usbtrace_trprintf((trprintf_t)lowsyslog, event, value); -#endif - } - irqrestore(flags); -} -#endif /* CONFIG_USBDEV_TRACE || CONFIG_DEBUG && CONFIG_DEBUG_USB */ - -/******************************************************************************* - * Name: usbtrace_enumerate - * - * Description: - * Enumerate all buffer trace data (will temporarily disable tracing) - * - * Assumptions: - * NEVER called from an interrupt handler - * - *******************************************************************************/ - -#ifdef CONFIG_USBDEV_TRACE -int usbtrace_enumerate(trace_callback_t callback, void *arg) -{ - uint16_t ndx; - uint32_t idset; - int ret = OK; - - /* Temporarily disable tracing */ - - idset = usbtrace_enable(0); - - /* Visit every entry, starting with the tail */ - - for (ndx = g_tail; ndx != g_head; ) - { - /* Call the user provided callback */ - - ret = callback(&g_trace[ndx], arg); - if (ret != OK) - { - /* Abort the enumeration */ - - break; - } - - /* Increment the index */ - - if (++ndx >= CONFIG_USBDEV_TRACE_NRECORDS) - { - ndx = 0; - } - } - - /* Discard the trace data after it has been reported */ - - g_tail = g_head; - - /* Restore tracing state */ - - (void)usbtrace_enable(idset); - return ret; -} -#endif /* CONFIG_USBDEV_TRACE */ |